<template>
  <div class="container">
    <div class="app-container">
      <!-- 组织架构 -->
      <!-- 树形结构 -->
      <el-tree :expand-on-click-node="false" default-expand-all :data="depts" :props="defaultProps">
        <template v-slot="{ data }">
          <el-row
            style="width: 100%; height: 40px"
            type="flex"
            justify="space-between"
            align="middle"
          >
            <el-col>{{ data.name }}</el-col>
            <el-col :span="4">
              <span class="tree-manager">{{ data.managerName }}</span>
              <el-dropdown @command="operateDept($event,data.id)">
                <!-- 显示区域内容 -->
                <span class="username">操作<i class="el-icon-arrow-down" />
                </span>
                <el-dropdown-menu slot="dropdown">
                  <el-dropdown-item command="add">添加子部门</el-dropdown-item>
                  <el-dropdown-item command="edit">编辑部门</el-dropdown-item>
                  <el-dropdown-item command="del">删除</el-dropdown-item>
                </el-dropdown-menu>
              </el-dropdown>
            </el-col>
          </el-row>
        </template>
      </el-tree>
    </div>
    <!-- 弹层 -->
    <!-- ref可以获取自定义组件的实例对象 -->
    <add-dept ref="addDept" :current-node-id="currentNodeId" :show-dialog.sync="showDialog" @updateDeparment="getDepartment" />
  </div>
</template>

<script>
import { getDepartment, delDepartment } from '@/api/department'
import { transListToTreeData } from '@/utils'
import AddDept from './components/add-dept.vue'
export default {
  name: 'Department',
  components: {
    AddDept
  },
  data() {
    return {
      // 当前点击的id
      currentNodeId: null,
      // 弹层显示和隐藏
      showDialog: false,
      depts: [],
      defaultProps: {
        children: 'children',
        label: 'name'
      }
    }
  },
  created() {
    // 调用获取数据的接口
    this.getDepartment()
  },
  methods: {
    async  getDepartment() {
      const result = await getDepartment()
      this.depts = transListToTreeData(result, 0)
    },
    // 操作部门方法
    async operateDept(type, id) {
      // console.log(id)
      if (type === 'add') {
      // 添加子部门
        this.showDialog = true
        this.currentNodeId = id
      } else if (type === 'edit') {
        // 编辑部门
        this.showDialog = true
        // 记录id用它获取数据
        this.currentNodeId = id
        // 父组件调用子组件的方法
        // 更新props-异步
        this.$nextTick(() => {
          this.$refs.addDept.getDepartmentDetail()
        })
      } else {
        // 删除部门
        await this.$confirm('确定删除该部门吗')
        // 调用删除接口
        await delDepartment(id)
        this.$message.success('删除部门成功')
        // 重新拉取渲染
        this.getDepartment()
      }
    }
  }
}
</script>

<style scoped>
.app-container {
  padding: 30px 140px;
  font-size: 14px;
}
.tree-manager {
  width: 80px;
  display: inline-block;
  margin: 10px;
}
</style>
